Table 1 Status of different monitoring parameters extracted from satellite data 2002, 2009, 2012
Area (ha) | |||
|---|---|---|---|
2002 | 2009 | 2012 | |
1. Land cover | |||
Watershed | |||
Tree cover with < 10% crown density | 1221 | 991 | 975 |
Tree cover with > 10% crown density (Forest) | 4363 | 4873 | 4917 |
Subtotal: tree cover | 5584 | 5864 | 5892 |
Agriculture and built-up area | 2110 | 2021 | 2021 |
Barren area | 272 | 83 | 56 |
Water body | 36 | 34 | 33 |
Total watershed | 8002 | ||
CFs | |||
Tree cover with < 10% crown density | 500 | 376 | 378 |
Tree cover with > 10% crown density (Forest) | 1667 | 1946 | 1976 |
Subtotal: tree cover | 2167 | 2322 | 2354 |
Agriculture and built-up area | 49 | 34 | 26 |
Barren area | 167 | 26 | 3 |
Water body | 2 | 3 | 2 |
Total CFs | 2385 | ||
Non-CFs | |||
Tree cover with < 10% crown density | 721 | 615 | 598 |
Tree cover with > 10% crown density (forest) | 2696 | 2927 | 2940 |
Subtotal: tree cover | 3417 | 3542 | 3538 |
Agriculture and built-up area | 2061 | 1987 | 1995 |
Barren area | 105 | 57 | 53 |
Water body | 34 | 31 | 31 |
Total Non-CFs | 5617 | ||
2. Tree crown size | |||
Watershed | |||
< 15 m2 | 2191 | 1453 | 1454 |
15–30 m2 | 2024 | 2228 | 2247 |
> 30 m2 | 1369 | 2183 | 2191 |
Total | 5584 | 5864 | 5892 |
CFs | |||
< 15 m2 | 843 | 575 | 581 |
15–30 m2 | 816 | 887 | 901 |
> 30 m2 | 508 | 860 | 872 |
Total | 2167 | 2322 | 2354 |
Non-CFs | |||
< 15 m2 | 1348 | 878 | 872 |
15–30 m2 | 1208 | 1341 | 1347 |
> 30 m2 | 861 | 1323 | 1319 |
Total | 3417 | 3542 | 3538 |
3. Forest crown density (%) | |||
Watershed | |||
10–40 | 3631 | 3885 | 3919 |
40–70 | 512 | 717 | 726 |
> 70 | 220 | 271 | 272 |
Total | 4363 | 4873 | 4917 |
CFs | |||
10–40 | 1391 | 1547 | 1571 |
40–70 | 193 | 286 | 291 |
> 70 | 83 | 113 | 115 |
Total | 1667 | 1946 | 1976 |
Non-CFs | |||
10–40 | 2241 | 2338 | 2348 |
40–70 | 318 | 432 | 435 |
> 70 | 137 | 157 | 157 |
Total | 2696 | 2927 | 2940 |
4. Above ground biomass (AGB) | |||
Watershed | |||
Total AGB (ton) | 2,661,790 | 2,928,074 | 2,985,291 |
Average AGB (ton/ha) | 342 | 354 | 360 |
Standard deviation AGB | 121 | 123 | 130 |
CFs | |||
Total AGB (ton) | 1,120,050 | 1,236,838 | 1,265,923 |
Average AGB (ton/ha) | 370 | 392 | 405 |
Standard deviation AGB | 103 | 103 | 110 |
Non-CFs | |||
Total AGB (ton) | 1,541,740 | 1,691,236 | 1,719,368 |
Average AGB (ton/ha) | 324 | 331 | 367 |
Standard deviation AGB | 128 | 128 | 134 |